
/** 
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 */
package com.tompai.datagather.util;

import org.apache.avro.file.DataFileReader;
import org.apache.avro.io.DatumReader;
import org.apache.avro.reflect.ReflectDatumReader;

import java.io.File;
import java.io.IOException;
/**
* @author: tompai
* @createTime: 2018年4月28日 下午7:42:41
* @history:
* @version: v1.0
*/
public class ReflectAvroFileReader<T>{

    protected DataFileReader<T> reader;

    public ReflectAvroFileReader(File file, Class<T> _class) throws IOException {
        DatumReader<T> datumReader = new ReflectDatumReader<T>(_class);
        reader = new DataFileReader<T>(file, datumReader);
    }

    public boolean hasNext(){
        return reader.hasNext();
    }

    public T next(){
        return reader.next();
    }

    public void close() throws IOException {
        reader.close();
    }

}
